Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1Significant oxygen atmosphere begins to develop on Earth.
| 2 | 3 | 4 | 5Extensive vulcanism and channel formation on Mars.
| 6 |
7
| 8 | 9 | 10 | 11 | 12 | 13 |
14
| 15 | 16First Worms.
| 17Precambrian ends. Paleozoic Era and Cambrian Period begin. Invertebrates flourish.
| 18First oceanic plankton. Trilobites flourish.
| 19Ordovician Period. First fish, first vertebrates.
| 20Silurian Period. First vascular plants. Plants begin colonization of land.
|
21Devonian Period begins. First insects. Animals begin colonization of land.
| 22First amphibians. First winged insects.
| 23Carboniferous Period. First trees. First reptiles.
| 24Permian Period begins. First dinosaurs.
| 25Paleozoic Era ends. Mesozoic Era Begins.
| 26Triassic Period. First mammals.
| 27Jurassic Period. First birds.
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28Cretaceous Period. First flowers. Dinosaurs become extinct.
| 29Mesozoic Era ends. Cenozoic Era and Tertiary Period begin. First cetaceans. First primates.
| 30First evolution of frontal lobes in the brains of primates. First hominids. Giant mammals flourish.
| 31End of Pliocene Period. Quaternary (Pleistocene and Holocene) Period. First humans.
| | | |
Origin of Proconsul and Ramapithecus, probable ancestors of apes and men | ~ 1:30 p.m. |
First humans | ~ 10:30 p.m. |
Widespread use of stone tools | 11:00 p.m. |
Domestication of fire by Peking man | 11:46 p.m. |
Beginning of most recent glacial period | 11:56 p.m. |
Seafarers settle Australia | 11:58 p.m. |
Extensive cave painting in Europe | 11:59 p.m. |
Invention of agriculture | 11:59:20 p.m. |
Neolithic civilization; first cities | 11:59:35 p.m. |
First dynasties in Sumer, Ebla and Egypt; development of astronomy | 11:59:50 p.m. |
Invention of the alphabet; Akkadian Empire | 11:59:51 p.m. |
Hammurabic legal codes in Babylon; Middle Kingdom in Egypt | 11:59:52 p.m. |
Bronze metallurgy; Mycenaean culture; Trojan War; Olmec culture; invention of the compass | 11:59:53 p.m. |
Iron metallurgy; First Assyrian Empire; Kingdom of Israel; founding of Carthage by Phoenicia | 11:59:54 p.m. |
Asokan India; Ch'in Dynasty China; Periclean Athens; birth of Buddha | 11:59:55 p.m. |
Euclidean geometry; Archimedean physics; Ptolemaic astronomy; Roman Empire; birth of Christ | 11:59:56 p.m. |
Zero and decimals invented in Indian arithmetic; Rome falls; Birth of Islam and the Islamic Civilization | 11:59:57 p.m. |
Mayan civilization; Sung Dynasty China; Byzantine empire; Mongol invasion; Crusades | 11:59:58 p.m. |
Renaissance in Europe; voyages of discovery from Europe and from Ming Dynasty China; emergence of the experimental method in science | 11:59:59 p.m. |
Widespread development of science and technology; emergence of global culture; acquisition of the means of self-destruction of the human species; first steps in spacecraft planetary exploration and the search of extraterrestrial intelligence | Now: The first second of New Year's Day |